On Thu, Mar 22 2007, Jordan Crouse wrote: > On 22/03/07 18:26 +0100, Jens Axboe wrote: > > The tickless kernel just _enables_ low number of interrupts per second, > > it'll still wakeup everytime something is scheduled to run. So you > > probably want to look into _why_ th timer interrupts happen so often - > > who is the user of them? > > > > I see ~70 interrupts/sec here with an idle machine in X, FWIW. > > I've seen it as low as 10 on a very very quiet machine. Enable the timer > statistics and run a sample - I'll bet you see some offenders like the > console cursor, the libertas, and other such greedy consumers of our time.
Yep that'd be the way to go, looking at the timer stats. -- Jens Axboe _______________________________________________ Devel mailing list [email protected] http://mailman.laptop.org/mailman/listinfo/devel
